# include "stdio.h" # define U(x) ((x)&0377) # define NLSTATE yyprevious=YYNEWLINE # define BEGIN yybgin = yysvec + 1 + # define INITIAL 0 # define YYLERR yysvec # define YYSTATE (yyestate-yysvec-1) # define YYOPTIM 1 # define YYLMAX 200 # define output(c) putc(c,yyout) # define input() (((yytchar=yysptr>yysbuf?U(*--yysptr):getc(yyin))==10?(yylineno++,yytchar):yytchar)==EOF?0:yytchar) # define unput(c) {yytchar= (c);if(yytchar=='\n')yylineno--;*yysptr++=yytchar;} # define yymore() (yymorfg=1) # define ECHO fprintf(yyout, "%s",yytext) # define REJECT { nstr = yyreject(); goto yyfussy;} int yyleng; extern char yytext[]; int yymorfg; extern char *yysptr, yysbuf[]; int yytchar; FILE *yyin ={stdin}, *yyout ={stdout}; extern int yylineno; struct yysvf { struct yywork *yystoff; struct yysvf *yyother; int *yystops;}; struct yysvf *yyestate; extern struct yysvf yysvec[], *yybgin; /*****************************************************************************/ /** Copyright 1988 by Evans & Sutherland Computer Corporation, **/ /** Salt Lake City, Utah **/ /** Portions Copyright 1989 by the Massachusetts Institute of Technology **/ /** Cambridge, Massachusetts **/ /** **/ /** All Rights Reserved **/ /** **/ /** Permission to use, copy, modify, and distribute this software and **/ /** its documentation for any purpose and without fee is hereby **/ /** granted, provided that the above copyright notice appear in all **/ /** copies and that both that copyright notice and this permis- **/ /** sion notice appear in supporting documentation, and that the **/ /** names of Evans & Sutherland and M.I.T. not be used in advertising **/ /** in publicity pertaining to distribution of the software without **/ /** specific, written prior permission. **/ /** **/ /** EVANS & SUTHERLAND AND M.I.T. DISCLAIM ALL WARRANTIES WITH REGARD **/ /** TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANT- **/ /** ABILITY AND FITNESS, IN NO EVENT SHALL EVANS & SUTHERLAND OR **/ /** M.I.T. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAM- **/ /** AGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA **/ /** OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER **/ /** TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE **/ /** OR PERFORMANCE OF THIS SOFTWARE. **/ /*****************************************************************************/ /*********************************************************************** * * $XConsortium: lex.l,v 1.62 89/12/10 17:46:33 jim Exp $ * * .twmrc lex file * * 12-Nov-87 Thomas E. LaStrange File created * ***********************************************************************/ /* #include */ /* lex already includes stdio.h */ #include "gram.h" #include "parse.h" extern char *ProgramName; extern int ParseError; # define YYNEWLINE 10 yylex(){ int nstr; extern int yyprevious; while((nstr = yylook()) >= 0) yyfussy: switch(nstr){ case 0: if(yywrap()) return(0); break; case 1: { return (LB); } break; case 2: { return (RB); } break; case 3: { return (LP); } break; case 4: { return (RP); } break; case 5: { return (EQUALS); } break; case 6: { return (COLON); } break; case 7: { return PLUS; } break; case 8: { return MINUS; } break; case 9: { return OR; } break; case 10: { int token = parse_keyword (yytext, &yylval.num); if (token == ERRORTOKEN) { twmrc_error_prefix(); fprintf (stderr, "ignoring unknown keyword: %s\n", yytext); ParseError = 1; } else return token; } break; case 11: { yylval.num = F_EXEC; return FSKEYWORD; } break; case 12: { yylval.num = F_CUT; return FSKEYWORD; } break; case 13: { yylval.ptr = (char *)yytext; return STRING; } break; case 14: { (void)sscanf(yytext, "%d", &yylval.num); return (NUMBER); } break; case 15: {;} break; case 16: {;} break; case 17: { twmrc_error_prefix(); fprintf (stderr, "ignoring character \"%s\"\n", yytext); ParseError = 1; } break; case -1: break; default: fprintf(yyout,"bad switch yylook %d",nstr); } return(0); } /* end of yylex */ yywrap() { return(1);} #undef unput #undef input #undef output #undef feof #define unput(c) twmUnput(c) #define input() (*twmInputFunc)() #define output(c) TwmOutput(c) #define feof() (1) int yyvstop[] ={ 0, 17, 0, 16, 17, 0, 16, 0, 11, 17, 0, 17, 0, 17, 0, 3, 17, 0, 4, 17, 0, 7, 17, 0, 8, 17, 0, 10, 17, 0, 14, 17, 0, 6, 17, 0, 5, 17, 0, 12, 17, 0, 1, 17, 0, 9, 17, 0, 2, 17, 0, 13, 0, 15, 0, 10, 0, 14, 0, 13, 0, 0}; # define YYTYPE unsigned char struct yywork { YYTYPE verify, advance; } yycrank[] ={ 0,0, 0,0, 1,3, 0,0, 0,0, 0,0, 0,0, 7,21, 0,0, 0,0, 1,4, 1,5, 0,0, 0,0, 0,0, 7,21, 7,21, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 8,24, 0,0, 0,0, 0,0, 1,6, 1,7, 1,8, 0,0, 8,24, 8,25, 7,22, 1,9, 1,10, 2,6, 1,11, 2,8, 1,12, 1,13, 23,28, 1,14, 2,9, 2,10, 7,21, 2,11, 7,21, 2,12, 0,0, 0,0, 0,0, 1,15, 0,0, 0,0, 1,16, 8,24, 0,0, 0,0, 0,0, 0,0, 2,15, 0,0, 0,0, 2,16, 0,0, 0,0, 0,0, 8,24, 0,0, 8,24, 14,27, 14,27, 14,27, 14,27, 14,27, 14,27, 14,27, 14,27, 14,27, 14,27, 0,0, 0,0, 0,0, 0,0, 0,0, 21,23, 28,23, 1,17, 0,0, 0,0, 7,23, 0,0, 0,0, 0,0, 0,0, 0,0, 2,17, 0,0, 23,23, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 13,26, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 1,18, 1,19, 1,20, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 2,18, 2,19, 2,20, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 13,26, 0,0, 0,0, 0,0}; struct yysvf yysvec[] ={ 0, 0, 0, yycrank+-1, 0, 0, yycrank+-10, yysvec+1, 0, yycrank+0, 0, yyvstop+1, yycrank+0, 0, yyvstop+3, yycrank+0, 0, yyvstop+6, yycrank+0, 0, yyvstop+8, yycrank+-6, 0, yyvstop+11, yycrank+-29, 0, yyvstop+13, yycrank+0, 0, yyvstop+15, yycrank+0, 0, yyvstop+18, yycrank+0, 0, yyvstop+21, yycrank+0, 0, yyvstop+24, yycrank+71, 0, yyvstop+27, yycrank+30, 0, yyvstop+30, yycrank+0, 0, yyvstop+33, yycrank+0, 0, yyvstop+36, yycrank+0, 0, yyvstop+39, yycrank+0, 0, yyvstop+42, yycrank+0, 0, yyvstop+45, yycrank+0, 0, yyvstop+48, yycrank+-1, yysvec+7, 0, yycrank+0, 0, yyvstop+51, yycrank+-14, yysvec+7, 0, yycrank+0, yysvec+8, 0, yycrank+0, 0, yyvstop+53, yycrank+0, yysvec+13, yyvstop+55, yycrank+0, yysvec+14, yyvstop+57, yycrank+-2, yysvec+7, yyvstop+59, 0, 0, 0}; struct yywork *yytop = yycrank+193; struct yysvf *yybgin = yysvec+1; char yymatch[] ={ 00 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,011 ,012 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 011 ,01 ,'"' ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,'.' ,01 , '0' ,'0' ,'0' ,'0' ,'0' ,'0' ,'0' ,'0' , '0' ,'0' ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,'.' ,'.' ,'.' ,'.' ,'.' ,'.' ,'.' , '.' ,'.' ,'.' ,'.' ,'.' ,'.' ,'.' ,'.' , '.' ,'.' ,'.' ,'.' ,'.' ,'.' ,'.' ,'.' , '.' ,'.' ,'.' ,01 ,01 ,01 ,01 ,01 , 01 ,'.' ,'.' ,'.' ,'.' ,'.' ,'.' ,'.' , '.' ,'.' ,'.' ,'.' ,'.' ,'.' ,'.' ,'.' , '.' ,'.' ,'.' ,'.' ,'.' ,'.' ,'.' ,'.' , '.' ,'.' ,'.' ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 , 0}; char yyextra[] ={ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0}; /* ncform 4.1 83/08/11 */ int yylineno =1; # define YYU(x) x # define NLSTATE yyprevious=YYNEWLINE char yytext[YYLMAX]; struct yysvf *yylstate [YYLMAX], **yylsp, **yyolsp; char yysbuf[YYLMAX]; char *yysptr = yysbuf; int *yyfnd; extern struct yysvf *yyestate; int yyprevious = YYNEWLINE; yylook(){ register struct yysvf *yystate, **lsp; register struct yywork *yyt; struct yysvf *yyz; int yych; struct yywork *yyr; # ifdef LEXDEBUG int debug; # endif char *yylastch; /* start off machines */ # ifdef LEXDEBUG debug = 0; # endif if (!yymorfg) yylastch = yytext; else { yymorfg=0; yylastch = yytext+yyleng; } for(;;){ lsp = yylstate; yyestate = yystate = yybgin; if (yyprevious==YYNEWLINE) yystate++; for (;;){ # ifdef LEXDEBUG if(debug)fprintf(yyout,"state %d\n",yystate-yysvec-1); # endif yyt = yystate->yystoff; if(yyt == yycrank){ /* may not be any transitions */ yyz = yystate->yyother; if(yyz == 0)break; if(yyz->yystoff == yycrank)break; } *yylastch++ = yych = input(); tryagain: # ifdef LEXDEBUG if(debug){ fprintf(yyout,"unsigned char "); allprint(yych); putchar('\n'); } # endif yyr = yyt; if ( (int)yyt > (int)yycrank){ yyt = yyr + yych; if (yyt <= yytop && yyt->verify+yysvec == yystate){ if(yyt->advance+yysvec == YYLERR) /* error transitions */ {unput(*--yylastch);break;} *lsp++ = yystate = yyt->advance+yysvec; goto contin; } } # ifdef YYOPTIM else if((int)yyt < (int)yycrank) { /* r < yycrank */ yyt = yyr = yycrank+(yycrank-yyt); # ifdef LEXDEBUG if(debug)fprintf(yyout,"compressed state\n"); # endif yyt = yyt + yych; if(yyt <= yytop && yyt->verify+yysvec == yystate){ if(yyt->advance+yysvec == YYLERR) /* error transitions */ {unput(*--yylastch);break;} *lsp++ = yystate = yyt->advance+yysvec; goto contin; } yyt = yyr + YYU(yymatch[yych]); # ifdef LEXDEBUG if(debug){ fprintf(yyout,"try fall back character "); allprint(YYU(yymatch[yych])); putchar('\n'); } # endif if(yyt <= yytop && yyt->verify+yysvec == yystate){ if(yyt->advance+yysvec == YYLERR) /* error transition */ {unput(*--yylastch);break;} *lsp++ = yystate = yyt->advance+yysvec; goto contin; } } if ((yystate = yystate->yyother) && (yyt= yystate->yystoff) != yycrank){ # ifdef LEXDEBUG if(debug)fprintf(yyout,"fall back to state %d\n",yystate-yysvec-1); # endif goto tryagain; } # endif else {unput(*--yylastch);break;} contin: # ifdef LEXDEBUG if(debug){ fprintf(yyout,"state %d char ",yystate-yysvec-1); allprint(yych); putchar('\n'); } # endif ; } # ifdef LEXDEBUG if(debug){ fprintf(yyout,"stopped at %d with ",*(lsp-1)-yysvec-1); allprint(yych); putchar('\n'); } # endif while (lsp-- > yylstate){ *yylastch-- = 0; if (*lsp != 0 && (yyfnd= (*lsp)->yystops) && *yyfnd > 0){ yyolsp = lsp; if(yyextra[*yyfnd]){ /* must backup */ while(yyback((*lsp)->yystops,-*yyfnd) != 1 && lsp > yylstate){ lsp--; unput(*yylastch--); } } yyprevious = YYU(*yylastch); yylsp = lsp; yyleng = yylastch-yytext+1; yytext[yyleng] = 0; # ifdef LEXDEBUG if(debug){ fprintf(yyout,"\nmatch "); sprint(yytext); fprintf(yyout," action %d\n",*yyfnd); } # endif return(*yyfnd++); } unput(*yylastch); } if (yytext[0] == 0 /* && feof(yyin) */) { yysptr=yysbuf; return(0); } yyprevious = yytext[0] = input(); if (yyprevious>0) output(yyprevious); yylastch=yytext; # ifdef LEXDEBUG if(debug)putchar('\n'); # endif } } yyback(p, m) int *p; { if (p==0) return(0); while (*p) { if (*p++ == m) return(1); } return(0); } /* the following are only used in the lex library */ yyinput(){ return(input()); } yyoutput(c) int c; { output(c); } yyunput(c) int c; { unput(c); }